问题描述：
英语翻译
The method of waste water treatment as defined in claim 7,having a porosity of between 20 and 45 pores per inch in the immobilized media of the immobilized bioreactor.
The method of waste water treatment as defined in claim 7,having a porosity of between 20 and 45 pores per inch in the immobilized media of the immobilized bioreactor.
问题解答：
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